Calculations with different methods
- 605.810 miles
- 974.957 kilometers
- 526.435 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.Haversine formula
- 606.663 miles
- 976.329 kilometers
- 527.176 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance).
Estimated flight time from O'Hare International Airport (ORD) to Hartsfield–Jackson Atlanta International Airport (ATL) is 1 hour 38 minutes.
Time difference and current local times
The time difference between Chicago and Atlanta is 1 hour. Atlanta is 1 hour ahead of Chicago.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 103 kg (227 pounds).
Chicago to Atlanta flight map.
Frequent Flyer Miles Calculator
Chicago (ORD) → Atlanta (ATL).